Asteroid vs Comet

Asteroid 6478 Gault with tail

From active asteroids to dormant comets, rubbile piles to remnant cores, main belt comets and manx comets to ambiguous interstellar objects, this article provides a brief overview of the smaller objects in our planetary zoo and the main differences — and similarities — between asteroids and comets. But if it's meteors you're looking for, read …

Asteroid Warning!

Asteroid 101955 Bennu

So there's another apocalyptic asteroid warning in the tabloid news headlines. The lead scaremongerer in the UK is the Daily Express, who started out playfully alerting us to asteroids that will skim by Earth in the coming days. It didn't take long for a war of the digital world to start warning of swarms of …